Dinophyceae - Gonyaulacales - Hystrichosphaeridiaceae
Full reference: W.R. Evitt. 1963. A discussion and proposals concerning fossil dinoflagellates, hystrichospheres, and acritarchs. Proceedings of the National Academy of Sciences of the United States of America 49(3):158-164
Parent taxon: Gonyaulacales according to W.R. Evitt 1963
Sister taxa: Areoligeraceae, Balcattia, Batiacasphaera, Bourkidinium, Ceratiaceae, Cerebrocysta, Chlamydophorella, Cladopyxiaceae, Cleistosphaeridium, Dapsilidinium, Dingodinium, Dissimulidinium, Ellipsoidictyum, Elytrocysta, Epiplosphaera, Flamingoia, Fusiformacysta, Gardodinium, Goniodomaceae, Gonyaulacaceae, Heslertonia, Impletosphaeridium, Labyrinthodinium, Lophocysta, Membranilarnacia, Membranilarnax, Moorodinium, Papuadinium, Paucisphaeridium, Peridictyocysta, Productodinium, Reticulatosphaera, Shublikodiniaceae, Tanyosphaeridium, Tetrachacysta, Valensiella, Xiphophoridium
Subtaxa: Conosphaeridium Hystrichostrogylon
Distribution:
• Cretaceous of Antarctica (21 collections)
Total: 21 collections each including a single occurrence